System and method for unsticking a tool stuck in a wellbore

Details System and method for unsticking a tool stuck in a wellbore System and method for unsticking a tool stuck in a wellbore

E - Fixed Constructions

21

B

E21B 23/01 (2006.01) E21B 31/00 (2006.01)

Patent

CA 2582875

An unsticking assembly for releasing a tool that is stuck in a wellbore including a first anchor actuatable between an engaging position wherein the first anchor engages a wall of the wellbore and a retracted position wherein the first anchor does not engage the wall; a second anchor actuatable between an engaging position wherein the second anchor engages a wall of the wellbore and a retracted position wherein the second anchor does not engage the wall; and a control module in connection with the first and second anchor to selectively actuate each anchor between the engaged and retracted positions. The assembly is adapted for positioning in the wellbore and in connection with the tool when the tool is stuck in the wellbore. The assembly may be a stand-alone assembly that is connectable to the tool after the tool is stuck in the wellbore. The assembly may include the wellbore tool as an interconnected element.

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